what has happened
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what has happened
ok i know there are threads on this but i have a few problems and ned to know fast. first i have a excursion 6.0 with a quadzilla programmed and airraid intake. they have been great but lately...........while driving around 70 and around 2800rpm i wil notice a noise like a fan clutch and a complete blackout of smoke behind me when i hit the throttle and get no power. i ASSumed my wastegate was sticking open, i would stop and turn off motor for a min and recrank and it would go away. now i noticed, on a short drive, my turbo spool was real loud, which is kinda cool but i had no power not as much smoke but slowing quickly. Please help this is my work truck and i gotta roll on wed so i have a few days to fix it so let me know. thanks alot everyone
forgot to mention....no codes, no lights , no warning, no idea
forgot to mention....no codes, no lights , no warning, no idea
Last edited by orangebyke; Dec 28, 2007 at 05:54 PM.
Postmaster
Joined: Dec 2003
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From: Arizona
Originally Posted by orangebyke
2003 127xxx and i thought the wastegate as internal but iknow less then nothing
Still sounds like VGT vanes are sticking or Turbo acutator solenoid is bad. Without pulling codes and running diagnostics on the turbo, this is just an educated guess.
If you have access to a CAN bus code reader that can access the extended FMC codes you can see what codes are stored. Without codes & diagnostics you are just throwing parts at it. If the turbo vanes are sticking, you can try cleaning them, many times this works. The cleaning procedure is in the 6.0 tech folder.
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From: Arizona
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From: Las Vega$
i agree with blackhat, if you're getting lots of smoke and little to no boost sounds like vanes are stuck open, and if you've also got a turbo seal bad that could be your oil issue too.... can you verify exactly where the oil is coming from ??
although the different sounds you are describing are a little baffling, i did not notice any change in sound when i had my vgt solenoid disconnected...
do you have a boost gauge or an egt gauge??
although the different sounds you are describing are a little baffling, i did not notice any change in sound when i had my vgt solenoid disconnected...
do you have a boost gauge or an egt gauge??
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no bost guage but im working on it and the oil leak comes from somewhere around that area. i had my icp sensor replaced and thought that was it but i cant tell if thats where its coming from. shoud i have a dealer run a checkand will it tell if the vanes are sticking or the solenoid is gng out??
